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Finding the Fourth Proportional to 166,992,003.60, 250,488,005.40 and 105,770,000.40

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Solution

The fourth proportional to 166,992,003.60, 250,488,005.40 and 105,770,000.40 is: 158,655,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,992,003.60 : 250,488,005.40 = 105,770,000.40 : x
  2. Step 2: Convert to fraction form
    166,992,003.60/250,488,005.40 = 105,770,000.40/x
  3. Step 3: Cross multiply
    166,992,003.60x = 250,488,005.40 × 105,770,000.40
  4. Step 4: Simplify right side
    166,992,003.60x = 26,494,116,431,353,204
  5. Step 5: Solve for x
    x = 26,494,116,431,353,204/166,992,003.60
  6. Step 6: Final answer
    x = 158,655,000.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.